but we can tell you that president barack obama will be here in boston. he's slated to arrive on thursday morning, while he will preside over an inner faith service. reporting live from boston, vinita nair, back to you. >> and our complete coverage continues with adam may, who speaks with more maryland runners who sprntsed the ter-- experienced the terror in boston firsthand. >> reporter: more than 140 marylanders were in boston, taking part in that race. many have come home and now tell me they are fortunate they made it back here without injuries. >> what do you like about running? >> i like that it's an individual sport. >> reporter: a competitive runner since her teens and a track team captain at towson university. but memories of her first boston marathon, now tarnished by the terror attack. >> i felt very nauseous. because i was just thinking, oh, my god. that could have been me. i could have been there. i could have been one of the people either injured or helping other people. and every time i see on the news, it just brings back those memories ju